Opened 7 years ago

Closed 6 years ago

Last modified 5 years ago

#7530 closed feature request (fixed)

Proposal: Add isLeft/isRight to Data.Either

Reported by: SimonHengel Owned by:
Priority: normal Milestone: 7.8.1
Component: libraries/base Version: 7.6.1
Keywords: report-impact Cc:
Operating System: Unknown/Multiple Architecture: Unknown/Multiple
Type of failure: None/Unknown Test Case:
Blocked By: Blocking:
Related Tickets: Differential Rev(s):
Wiki Page:


I propose to add isLeft/isRight to Data.Either. The corresponding thread on haskell-liraries is here:

Attachments (1)

0001-Add-isLeft-isRight.patch (1.0 KB) - added by SimonHengel 7 years ago.

Download all attachments as: .zip

Change History (5)

Changed 7 years ago by SimonHengel

comment:1 Changed 7 years ago by SimonHengel

Component: Compilerlibraries/base
Type: bugfeature request

comment:2 Changed 6 years ago by igloo

difficulty: Unknown
Milestone: 7.8.1
Status: newpatch

comment:3 Changed 6 years ago by igloo

Resolution: fixed
Status: patchclosed

Applied, thanks!

commit 58d03b8ed4342b80bd0ed8afa52c2b5c7f975534
Author: Simon Hengel <>
Date:   Tue Dec 25 16:07:27 2012 +0100

    Add isLeft/isRight

comment:4 Changed 5 years ago by hvr

Keywords: report-impact added
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